Grant Vortex VTXBH1521 Installation And Servicing Instructions
Boiler house floor standing condensing oil boiler range
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Summary of Contents for Grant Vortex VTXBH1521
- Page 1 Grant Vortex Boiler House Floor Standing Condensing Oil Boiler Range Installation and Servicing Instructions UK | DOC 0116 | Rev 1.1 | November 2017...
- Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improvement. However, no responsibility of any kind for any injury, death, loss, damage or delay however caused resulting from the use of this manual can be accepted by Grant Engineering (UK) Limited, the author or others involved in its publication.
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Page 3: Table Of Contents
CONtENtS iNtRODUCtiON ELECtRiCaL How a condensing boiler operates General Boiler description Connecting the power supply Flue options Frost protection Boiler components Wiring diagrams tECHNiCaL Data FLUE SYStEm aND aiR SUppLY Boiler technical data Air supply Burner settings 9.2 Conventional flue systems Flue gas analysis 9.3 Connecting a conventional flue Water connections... -
Page 4: Introduction
A flexible vertical balanced flue system designed to be fitted inside an existing masonry chimney. 1.3.1 FOR CONVENtiONaL FLUE appLiCatiONS Consisting of three sections: Where a chimney is to be lined - Grant recommends the use • Concentric white painted flue pipe connected to the boiler of the Grant ‘Orange’ flue system, specifically designed for the • Vertical concentric flexible flue (flexible stainless steel flue liner Vortex range of condensing boilers. Refer to Section 9.2 for inside a flexible plastic air inlet liner) further details. -
Page 5: Boiler Components
If required, an additional flexible fuel line (600 mm) and 3/8” to 1/4” BSP male adaptor are available to purchase from Grant UK, for two-pipe oil supply systems (Grant product code: RBS104). The temperature of the water leaving the boiler to heat the radiators and hot water cylinder is user adjustable. The boiler is fitted with an overheat thermostat (which allows it to be used on a sealed central heating system) which will automatically switch off the boiler if the heat exchanger exceeds a pre-set temperature of 110°C ±... -
Page 6: Technical Data
tECHNiCaL Data BOiLER tECHNiCaL Data table 2-1: Boiler technical data Units 15/21 21/26 26/35 36/46 46/58 58/70 litre Water content Weight (dry)* 21.5 26.3 35.4 46.0 58.0 70.0 Maximum heat output (Kerosene) Btu/h 73,400 89,800 120,000 157,000 197,900 238,840 Minimum flow rate (∆T=10°C) 1,780 2,200 2,980... -
Page 7: Burner Settings
The data given above is approximate only. The above settings may have to be adjusted on site for the correct operation of the burner. Gas Oil is NOT suitable for use with Grant Vortex boiler range The flue gas temperatures given above are ± 10%. When commissioning, the air damper must be adjusted to obtain the correct CO level. -
Page 8: Boiler Dimensions
BOiLER DimENSiONS * Condensate drain: Upper opening: 15/21 and 21/26 models FLOW Lower opening: 26/35 model only RETURN PLAN VIEW CONDENSATE DRAIN REAR VIEW LEFT SIDE VIEW RIGHT SIDE VIEW Figure 2-4: 15/21, 21/26 and 26/35 dimensions DATE: 04/07/17 JOB TITLE: DRAWING TITLE: BOILERHOUSE 15-35kW REV DISCRIPTION:... - Page 9 RETURN AIR VENT PLAN VIEW CONDENSATE DRAIN FLOW REAR VIEW LEFT SIDE VIEW RIGHT SIDE VIEW Figure 2-6: 46/58 and 58/70 dimensions DATE: 04/07/17 JOB TITLE: DRAWING TITLE: BOILERHOUSE 46-70kW REV DISCRIPTION: BOILERHOUSE SERIES 2 DWG NO: 22622 REV: REV DATE: Section 2: technical Data page 9...
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Page 10: Oil Storage And Supply System
BS 5410-2. • ¼ʺ isolating valve (product code: ISOLATION1/4) Oil storage tanks should comply with the following standards: These are available to purchase from Grant UK. • Plastic tanks OFT T100 Metal braided flexible fuel hoses should be replaced ANNUALLY •... - Page 11 Figure 3-1: Single pipe (gravity) system Figure 3-2: Two pipe system Figure 3-3: De-aeration device system Key to oil supply diagrams Oil tank External wall Burner Isolating valve Oil filter (15μm max. filtration size) Non-return valve Oil strainer Fire valve sensor De-aerator* Fire valve to BS5410 Oil pump Appliance isolation valves * Position of de-aeration device must be level with or above the oil pump...
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Page 12: Burner Oil Connection
• ¼ʺ isolating valve (product code: ISOLATION1/4) Unscrew and remove the THREE fixing screws from the These are available to purchase from Grant UK. red burner cover and remove the cover from the burner. Unscrew and remove the single burner fixing nut from the 3.1.5... -
Page 13: Fitting The Burner
CONNECtiON For either a two pipe (sub gravity) or a single pipe (suction) With all Grant Boiler House models, the burner and boiler are system with a deaerator, the following additional items will be supplied together but in separate cartons. -
Page 14: Boiler Installation Information
Failure to install and commission appliances correctly may invalidate the boiler guarantee. ! NOtE ! Installation of a Grant Vortex boiler must be in accordance with the following recommendations: the boiler should not be allowed to operate with return •... -
Page 15: Pipework Materials
4.5 pipEWORK matERiaLS iNStaLLiNG tHE BOiLER The Grant Vortex boiler is compatible with both copper and plastic Having decided upon the position of the boiler and type of pipe. Where plastic pipe is used it must be of the oxygen barrier flue, prepare the wall as described in Section 9. Ensure... -
Page 16: Pipe Connections
The return pipe to the boiler will also need to be vented as it is the highest point on the secondary heat exchanger. Figure 5-3: 36/46 model - flow pipe fitted (cover plate removed) The direction of the bent flow pipe will depend on the flue system being used with the boiler. If a Grant low level balanced flue (Yellow System) or external Figure 5-1: 15/21, 21/26 and 26/35 models - dual stat/mounting balanced flue system (Green System) is used, the flow pipe must bracket, flow and return connections and removable cover plate be positioned as follows: •... -
Page 17: 46/58 And 58/70 Models
15/21, 21/26 aND 26/35 mODELS A 28mm push-fit straight connector is provided for making the connection to the open end of the bent flow pipe. To fit the dual thermostat capillary phials into their pockets on the boiler: The flow pipe from the boiler will need to be vented as it is the highest point on the primary heat exchanger. Remove the cover plate located at the top of the boiler right hand side panel. ! NOtE ! To do this, unscrew and remove the two screws from the top flange of the cover plate and remove it from the boiler. Refer to Figure 5-5. -
Page 18: Condensate Disposal
CONDENSatE DiSpOSaL GENERaL REQUiREmENtS pipEWORK When in condensing mode the Grant Vortex boilers produce Condensate disposal pipework must be plastic (plastic waste or condensate from the water vapour in the flue gases. overflow pipe is suitable). This condensate is moderately acidic with a pH value of around ! NOtE ! 3.27 (similar to orange juice). -
Page 19: Condensate Soakaway
The trap must be checked at regular intervals (e.g. on every gulley or soil stack, is not covered by the Grant product annual service) and cleaned as necessary to ensure that it is clear guarantee. -
Page 20: Sealed Systems
SEaLED SYStEmS SEaLED SYStEm All Grant Vortex Boiler House models are suitable for use with sealed systems complying with the requirements of BS EN 12828, REQUiREmENtS BS EN 12831 and BS EN 14336. The system must be provided with the following items: Figure 7-1: Key to sealed system diagram •... -
Page 21: Filling The Sealed System
Check that the small cap (or screw) on all automatic air vents ! NOtE ! is open at least one turn. The cap (or screw) remains in this position from now on. Ensure that the flexible filling loop is connected and that the Ensure that the expansion vessel used is of sufficient size double check shut off valve connecting it to the water supply for the system volume. -
Page 22: Electrical
Refer to Figures 8-1 to 8-2 for typical control system wiring Refer to Figures 8-1 and 8-2 for typical system wiring diagram. diagrams for all models. For other systems not covered, contact Grant Engineering (UK) ! WaRNiNG ! Ltd. ! WaRNiNG ! the Vortex boiler contains electrical switching equipment and must be earthed. - Page 23 Brown Burner L N E Link L 1 2 3 4 Pipe Stat OFF OFF ON ON HW HT HW HT (If fitted) Grant 2-Channel Frost Wall Mounted Thermostat Programmer ESKIT Overheat Control Stat Stat Refer to Figure 8-3 for connection details...
- Page 24 Overheat Control Stat Stat Green/Yellow Link* Link* Brown Brown Blue Blue Connector* Earth stud on top of boiler L E N N E L Power supply Power supply from controls to burner Figure 8-3: Dual thermostat wiring diagram ! NOtE ! ! WaRNiNG ! * Links and connector (to link Neutral wires) to be supplied DO NOt connect N (Neutral) to any terminals on either...
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Page 25: Flue System And Air Supply
BOILER IN ROOM CONVENtiONaL FLUE SYStEmS ! NOtE ! Under no circumstances can Grant Vortex boilers be Room sealed balanced flue installed with existing flue systems. Only flue systems and no ventilation required to room components suitable for wet flues should be used. - Page 26 A suitable data plate output must be 100 mm (4 in) and for the 46/58 and 58/70 models is supplied with the Grant Orange flue system and should 125 mm (5 in). be displayed next to the boiler or flue.
- Page 27 (from CFA 15/70 kit) Extension 45 elbow Orange System components (refer to Figure 9-3) Locking band Boiler flue connector Boiler flue connector (from CFA 15/70 kit) Boiler Boiler Figure 9-7: Hybrid flue system using Grant Orange and Green Figure 9-6: Grant Orange flue system in a typical brick chimney systems components Section 9: Flue System and air Supply page 27...
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Page 28: Connecting A Conventional Flue
CONNECtiNG a CONVENtiONaL BaLaNCED FLUE SYStEmS FLUE Apart from a conventional flue, several balanced flue options are available for use with the Grant Vortex boilers. If the Grant ‘Orange’ flue system is being used – follow the All are suitable for use with Class C2 Kerosene. instructions supplied with the flue kit. If the Grant ‘Green’ system (100 mm rigid twin-wall flue) is to be ! NOtE ! fitted to the boiler then the Grant CF adaptor kit (product code: CFA15/70) must be used – refer to Section 1.3. - Page 29 - is 12 metres for all Vortex boilers. The maximum flue length - from the top of the boiler flue outlet The following items are additionally available: to the outer face of the wall - is 10 metres for all Grant Vortex • Extensions to extend the flue by 225 mm, 450 mm or 950 boilers. The following items are additionally available: •...
- Page 30 Care should be taken that the plume from condensed flue gases does not cause a nuisance. This is a flexible vertical balanced flue system (for the 15/21 The components listed on the following page for the external flue and 21/26 models only) designed to be fitted inside an existing (Green system) components are available from Grant UK. masonry chimney. See Figure 9-12. It basically consists of three sections: • Concentric white painted flue pipe connected to the boiler. •...
- Page 31 Vertical terminal kit GTV90 (15 - 26 kW) GTV200 (26 - 70 kW) 45 elbow kit GE45/90 (15 - 26 kW) GE45/200 (26 - 70 kW) High level terminal kit GTH90 (15 - 26 kW) GTH200 (26 - 70 kW) Typical Extended wall bracket ue system...
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Page 32: Flue Clearances
2.5 metres from the terminal or patio’s (hard surface area). Further guidance can be obtained from BS 5410-1:2014, OFTEC Book 4 (Installation) and Approved Document J. Grant UK flue products are fully compliant with the CE (Communauté Européenne/European Community) standards having undergone rigorous product testing. page 32 Section 9: Flue System and air Supply... -
Page 33: Prepare The Wall
pREpaRE tHE WaLL 9.6.2 HiGH LEVEL aND VERtiCaL BaLaNCED FLUE 9.6.1 LOW LEVEL BaLaNCED FLUE If the boiler is to be used with the high level balanced flue (White If the boiler is to be used with a low level balanced flue (Yellow system) make the hole in the wall as shown in Figure 9-19. system) make the hole in the wall for the flue as shown in Figure 9-17. Hole to be cut in wall Standard kit with no extensions Note: This dimension is given with Note: This dimension is given with the boiler pushed back against... -
Page 34: Commissioning
10 COmmiSSiONiNG 10.1 BEFORE SWitCHiNG ON Check that all system controls are set to OFF. tHERmOStatS Check that both the high limit thermostat and control thermostat phials are correctly located in their respective pockets. Refer to Figures 5-5 or 5-6 as required. Check the condition of both thermostat capillaries; that they are not damaged, broken, kinked or crushed. -
Page 35: Air Adjuster Disc - 15/21 Only
10.3 COmBUStiON HEaD ! NOtE ! aDjUStmENt - 58/70 ONLY To adjust the combustion head when uprating to 70.0kW: if the 15/21 model is down-rated from the factory setting to Loosen the two screws in the rings slots. 15.5 kW the burner air adjuster disc must be adjusted as Turn the combustion head to setting 4. -
Page 36: Running The Boiler
10.5 RUNNiNG tHE BOiLER 10.7 COmpLEtiON Relight the boiler and allow it to run for at least 20 minutes. With the system hot: Check again for leaks, rectifying where necessary. COmBUStiON tESt pOiNtS Drain the system while it is hot to complete the flushing process. Refer to Section 4.9. To allow the boiler to be commissioned and serviced correctly a Refill and vent (and pressurise if a sealed system) the combustion test point is provided on the front cleaning door. -
Page 37: Boiler Servicing
Details of every service should be entered in the Service (mark if necessary) which is the inlet and return if they are Log in the User Handbook. to be disconnected. this information may be required to validate the Grant extended guarantee. 11.4 CLEaNiNG tHE BOiLER ! WaRNiNG ! The procedure for cleaning the boiler is as follows: Remove the upper front panel. - Page 38 Figure 11-3: 36/46kW baffles Figure 11-1: 15/21 and 21/26kW baffles Figure 11-4: 46/58kW baffles Figure 11-2: 26/35kW baffles Figure 11-5: 58/70kW baffles page 38 Section 11: Boiler Servicing...
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Page 39: Cleaning The Burner
11.5 CLEaNiNG tHE BURNER Inspect the ignition electrodes (5): Loosen the electrode clamp screw, disconnect the leads (4) 15/21, 21/26, 26/35 aND 36/46 mODELS and withdraw the electrode assembly. The procedure is as follows: Wipe clean and check for any cracks in the ceramic Combustion head: Loosen the two screws securing the insulation. -
Page 40: Fault Finding
12 FaULt FiNDiNG 12.1 BOiLER FaULt FiNDiNG Always isolate the electricity supply to the boiler before working on the boiler. Figure 12-1: Boiler fault finding Fault Remedies Boiler will not start: Ensure that an adequate supply of fuel is available and that the fuel supply valve is open. -
Page 41: Burner Fault Finding - Riello Rdb
12.2 BURNER FaULt FiNDiNG - RiELLO RDB BURNERS Section 12: Fault Finding page 41... -
Page 42: Spare Parts
13 SpaRE paRtS 13.1 RiELLO RDB 2.2 BURNERS (15/21, 21/26, 26/35 aND 36/46 mODELS) This section gives exploded views of the Riello burners in the Grant Vortex boilers, and parts lists associated with them. page 42 Section 13: Spare parts... - Page 43 Section 13: Spare parts page 43...
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Page 44: Riello Rdb 3.2 Burners
13.2 RiELLO RDB 3.2 BURNERS (46/58 aND 58/70 mODELS) This section gives exploded views of the Riello burners in the Grant Vortex boilers, and parts lists associated with them. page 44 Section 13: Spare parts... - Page 45 Section 13: Spare parts page 45...
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Page 46: Boiler Parts List
13.3 BOiLER paRtS LiSt table 13-5: Boiler parts list Description Grant product code Nut and washer set (for cleaning door) EFBS14 Baffle set (complete) - 15/21 and 21/26 VBS96 Baffle set (complete) - 26/35 VBS97 Baffle set (complete) - 36/46 VBS36 Baffle set (complete) - 46/58 VBS76 Baffle set (complete) - 58/70 VBS77 Turbulator baffle - 360 mm (single) - 15/21, 21/26, 26/35 and 36/46 VBS05 Turbulator baffle - 476 mm (single) - 46/58 and 58/70 VBS03 Access / combustion door - 15/21, 21/26... -
Page 47: Declaration Of Conformity
Declare that: Equipment: Domestic oil boilers model Name/Number: Grant Vortex Boiler House 15-21, 21-26, 26-35, 36-46, 46-58 and 58/70 in accordance with the following Directives: 2006/95/EEC Conforms with the safety objectives of the Low Voltage Directive and its amending directives. -
Page 48: Health And Safety Information
15 HEaLtH aND SaFEtY iNFORmatiON 15.3 KEROSENE aND GaS OiL FUELS Under the Consumer Protection Act 1987 and Section 6 of the Health & Safety at Work Act 1974, we are required to provide (miNERaL OiLS) information on substances hazardous to health (COSHH Regulations 1988). -
Page 49: End Of Life Information
16 END OF LiFE iNFORmatiON GENERaL Grant oil boilers incorporate components manufactured from a variety of different materials. The majority of these materials can be recycled whilst the smaller remainder cannot. Materials that cannot be recycled must be disposed of according to local regulations using appropriate waste collection and/or disposal services. -
Page 50: Product Fiche
17 pRODUCt FiCHE Product fiche concerning the COMMISSION DELEGATED REGULATIONS (EU) No 811/2013 of 18 February 2013 (EU) No 813/2013 of 2 August 2013 Vortex Boiler House Symbols Unit Condensing boiler Low temperature boiler B1 boiler Combination heater Rated heat output Prated Useful heat output At rated heat output and high temperature regime At 30% of rated heat output and low temperature regime 13.8... - Page 51 NOtES Notes page 51...
- Page 52 GRaNt ENGiNEERiNG (UK) LimitED Hopton House, Hopton Industrial Estate, Devizes, Wiltshire, SN10 2EU Tel: +44 (0)1380 736920 Fax: +44 (0)1380 736991 Email: info@grantuk.com www.grantuk.com...
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